package tenscomplement;


public class TensComplement{

  
    public static void main(String[] args) {
      
      
        java.util.Scanner sc = new java.util.Scanner(System.in);
        System.out.println("*Soriano, Ajireh Ramielle 10s Complement*");
        System.out.print("Enter Minuend: ");
        int m = sc.nextInt();
        System.out.print("Enter Subtrahend: ");
        int s = sc.nextInt();
        
       
        int length = (int)(Math.log10(m)+1);
        String p1 = String.format("%0"+length+"d",s);
        String temp = p1;
        String res = "";
        int[] newGuess = new int[temp.length()];
        for (int i = 0; i < temp.length(); i++)
        {
            newGuess[i] = temp.charAt(i) - '0';
            //i is the length of the subtrahend
            switch (newGuess[i]) {
                case 1:
                    newGuess[i] = 8;
                    break;
                case 2:
                    newGuess[i] = 7;
                    break;
                case 3:
                    newGuess[i] = 6;
                    break;
                case 4:
                    newGuess[i] = 5;
                    break;
                case 5:
                    newGuess[i] = 4;
                    break;
                case 6:
                    newGuess[i] = 3;
                    break;
                case 7:
                    newGuess[i] = 2;
                    break;
                case 8:
                    newGuess[i] = 1;
                    break;
                case 9:
                    newGuess[i] = 0;
                    break;
                case 0:
                    newGuess[i] = 9;
                    break;
                default:
                    break;
            }
            res = res+newGuess[i];

        }
            int sol = Integer.parseInt(res);
            s = sol + 1;
            int alm = m + s;
            
            String stringX = Integer.toString(alm);
            int finalX = Integer.parseInt(stringX.substring(1));
            System.out.println("Difference is: "+ finalX);
            
           
            }
    }